Swimming pool



FIG. 1 is a top view of the swimming pool showing the new design;

FIG. 2 is a side plan view of a swimming pool with the new design;

FIG. 3 is a plan view of the side opposite to that shown in FIG. 2;

FIG. 4 is a bottom view of the swimming pool showing the new design;

FIG. 5 is a rear view of a swimming pool with the new design; and

FIG. 6 is a front view of a swimming pool of the new design.

The ornamental design for a swimming pool, substantially as shown anddescribed.